Inventor
Thomas W. Bunyan
Inventor
London, GB
Overview
Patents· 13 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
Y10Tprimary
Y10TTechnical subjects covered by former us classification18%
B23PMetal-working not otherwise provided for11%
B63HMarine propulsion or steering11%
F16BDevices for fastening or securing constructional elements or machine parts together, e.g. nails, bolts, circlips, clamps, clips or wedges11%
F16LPipes11%
B25BTools or bench devices not otherwise provided for, for fastening, connecting, disengaging, or holding7%
F16JPistons7%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%
B29CShaping or joining of plastics4%
B63BShips or other waterborne vessels4%
PatentTitleYear
4,773,146'Multi-stud tensioners'19884,380,181'Stud manipulating device'19834,326,826'Bolts and methods of bolting'19824,281,580'Tensioning devices'19814,226,444'Pipe joints'19804,182,518'Sealing arrangements'19804,175,311'Joints'19794,153,656'Pipe joints'19794,153,280'Pipe couplings'19794,120,230'Self-straining bolts'19784,085,941'Stern seals for ships'19783,983,829'Ships\' stern construction'19763,942,466'Stern gear of ships'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1988Patents assigned to PILGRIM ENG DEV (11)· patent assignee history
1976–1988Based in London, GB· patent location history
1978Patents assigned to CRANE PACKING LTD (1)· patent assignee history
1981Patents assigned to PILGRIM ENGINEERING DEV LTD (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| PILGRIM ENG DEV | 11 | 1976–1988 |
| CRANE PACKING LTD | 1 | 1978 |
| PILGRIM ENGINEERING DEV LTD | 1 | 1981 |
Locations
| Location | Patents | Span |
|---|---|---|
| London, GB | 13 | 1976–1988 |